Discesion or Discession: How To spell?
The word Discesion is misspelled against Discession, a noun meaning "Departure."
Discession has double "ss" is mispronounced as "s"Remember double 'SS' in between the strings disce & ion which should not be misspelled with single 'S'
Wrong Spelling:  disce-s-ion  Correct Spelling:  disce-ss-ion 
Find more incorrect spellings of Discession to spell right way.